Another quick update on the Glass. Increasing Roughness and Dispersion caused clipping. I replaced the the Glass BSDFs with Refraction nodes and added the Gloss separately to have a better energy consumption.

Alright! Changed the Dispersion method to be visible in refraction and caustics by default which can cause the glass to be darker in some cases but if you want to get the super clean glass back set the "CC" above 0 to switch to the camera ray method. Tests are looking very good now ^^. Here the BSDF: